diff --git a/mingw-w64-v8.0.0.tar.bz2 b/mingw-w64-v8.0.0.tar.bz2
deleted file mode 100644
index 267233f..0000000
--- a/mingw-w64-v8.0.0.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:44c740ea6ab3924bc3aa169bad11ad3c5766c5c8459e3126d44eabb8735a5762
-size 9370799
diff --git a/mingw-w64-v9.0.0.tar.bz2 b/mingw-w64-v9.0.0.tar.bz2
new file mode 100644
index 0000000..f14476b
--- /dev/null
+++ b/mingw-w64-v9.0.0.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1929b94b402f5ff4d7d37a9fe88daa9cc55515a6134805c104d1794ae22a4181
+size 9537758
diff --git a/mingw32-headers.changes b/mingw32-headers.changes
index 6783092..519561f 100644
--- a/mingw32-headers.changes
+++ b/mingw32-headers.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Fri Jul  2 12:34:00 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 9.0.0
+  * Various new and updated API headers
+  * at_quick_exit implementation
+  * dism API
+
 -------------------------------------------------------------------
 Thu Dec  3 12:18:00 UTC 2020 - Tobias Klausmann <tobias.klausmann@freenet.de>
 
diff --git a/mingw32-headers.spec b/mingw32-headers.spec
index 4c0b494..2d4d2a5 100644
--- a/mingw32-headers.spec
+++ b/mingw32-headers.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package mingw32-headers
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,7 +17,7 @@
 
 
 Name:           mingw32-headers
-Version:        8.0.0
+Version:        9.0.0
 Release:        0
 Summary:        MinGW-w64 headers for Win32 and Win64
 License:        SUSE-Public-Domain
@@ -29,7 +29,6 @@ BuildRequires:  mingw32-filesystem
 BuildRequires:  xz
 #!BuildIgnore:	post-build-checks
 Requires:       mingw32-unistd-pthread-devel
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch
 
 %description
@@ -50,24 +49,22 @@ and only exist to satisfy dependencies in MinGW's unistd.h until
 an actual pthread implementation (like winpthreads) is installed.
 
 %prep
-%setup -q -n mingw-w64-v%{version}/mingw-w64-headers
+%autosetup -n mingw-w64-v%version/mingw-w64-headers
 
 %build
 %_mingw32_configure \
 	--enable-sdk=all \
 	--enable-secure-api
-make %{?_smp_mflags}
+%make_build
 
 %install
 %make_install
 
 %files
-%defattr(-,root,root)
 %_mingw32_includedir/
 %exclude %_mingw32_includedir/pthread_*.h
 
 %files dummy-pthread
-%defattr(-,root,root)
 %dir %_mingw32_includedir
 %_mingw32_includedir/pthread_*.h